[ loo-tee-in ]
/ ˈlu ti ɪn /
Also called xanthophyll. a yellow-red, water-insoluble, crystalline, carotenoid alcohol, C40H56O2, found in the petals of marigold and certain other flowers, egg yolk, algae, and corpora lutea: used chiefly in the biochemical study of the carotenoids.
a preparation consisting of dried and powdered corpora lutea from hogs.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for lutein
/ (ˈluːtɪɪn) /
a xanthophyll pigment, occurring in plants, that has a light-absorbing function in photosynthesis
Word Origin for lutein
C20: from Latin lūteus yellow + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for lutein
[ lōō′tē-ĭn, -tēn′ ]
A yellow carotenoid pigment found widely in nature; xanthophyll.
A dried preparation of corpus luteum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.